CN202094345U - electrical connector - Google Patents

Abstract

An electrical connector, comprising: a plastic seat body, which is provided with a connecting groove; at least one row of terminals, which are arranged on the plastic seat body, each terminal is formed by bending a metal sheet plate surface and is provided with an elastic arm, a fixed part and a pin, the fixed part is fixed with the plastic seat body, and the elastic arm is provided with a contact point positioned in the connecting groove; it is characterized in that the cross section of the elastic arm forms the contact, and when the contact is extruded, the elastic arm is bounced from the direction of the plate surface.

Description

electrical connector

【Technical field】

The utility model relates to an electrical connector, in particular to an electrical connector which has a better effect of scraping off the oxide layer during electrical connection.

【Background technique】

Please refer to Fig. 1, it is a kind of existing DDR SO DIMM electrical connector, and it is provided with base body 10, a row of lower terminal 15 and a row of upper terminal 20; This base body 10 is provided with a connection groove 11; The lower terminal 15 is provided with an elastic arm 16, a fixed portion 17 and a pin 18, the fixed portion 17 is fixed with the seat body 10, the elastic arm 16 is provided with a protruding contact point to the connection groove 11; the upper terminal 20 is provided with an elastic Arm 21, a fixed portion 22 and a pin 23, the fixed portion 22 is fixed to the seat body 10, the elastic arm 21 is provided with a protruding contact 24 to the connection groove 11, the contact 24 of the upper terminal 20 is located on the lower Above and behind the contact point 19 of the terminal 15.

The above-mentioned lower terminal 50 and upper terminal 20 are all formed by metal sheet as a material, so the contacts 19 and 24 are cross-sectional contacts, which have a better effect of scraping off the oxide layer in electrical connection. The metal plates are formed by the following materials, so it is impossible to form continuous terminals, which is very expensive in materials and labor-intensive to assemble.

The above-mentioned lower terminal 15 and upper terminal 20 are all formed by metal sheet as the following material in manufacturing, so the contacts 19 and 24 are all in cross-sectional contact, which has a better effect of scraping off the oxide layer in electrical connection. The metal plates are formed by the following materials, so it is impossible to form continuous terminals, which is very expensive in materials and labor-intensive to assemble.

Please refer to Fig. 2, it is a kind of existing PCI-E electrical connector, and it is provided with base body 10, a row of lower terminal 15 and a row of upper terminal 20; This base body 10 is provided with a connection groove 11; The lower terminal 15 is provided with an elastic arm 16, a fixed portion 17 and a pin 18, the fixed portion 17 is fixed with the seat body 10, the elastic arm 16 is provided with a protruding contact point to the connection groove 11; the upper terminal 20 is provided with an elastic Arm 21, two fixing parts 26, 27 of different heights and a pin 23, the fixing parts 26, 27 are fixed to the seat body 10, the elastic arm 21 is provided with a protruding contact 24 to the connecting groove 11, the upper The contact 24 of the terminal 20 is located above and behind the contact 19 of the lower terminal 10 .

The above-mentioned lower terminal 15 and upper terminal 20 are all formed by bending the metal plate surface, so they can be formed into continuous terminals, which saves material and labor in manufacturing, but the contacts 19 and 24 are all protruding. The arc-shaped board surface is not effective in scraping off the oxide layer on the electrical connection.

【Content of utility model】

The main purpose of this utility model is to provide an electrical connector, the terminal of which is formed by bending the surface of the metal sheet, and the section of the elastic arm forms a contact point, so as to achieve a better effect of scraping off the oxide layer, and it is a continuous terminal. It saves material and saves labor in assembly.

Another main purpose of the present utility model is to provide an electrical connector, in which at least one row of terminals and one row of elastic pieces are formed by bending and stamping the surface of a metal sheet, which is different from the existing sheet blanking. C-shaped terminals can be stamped into continuous terminals in manufacturing, which saves cost in manufacturing.

The secondary purpose of the present invention is to provide an electrical connector, the contact point of the terminal is a natural arc radius formed during punching or a chamfer without burrs.

The secondary purpose of this utility model is to provide an electrical connector, the plastic seat body is covered with a metal shell, and the row of pressing shrapnels are integrally formed with the metal shell, so that the thickness of the plastic seat body is thinner and more durable. It meets the needs of thin, light and small products.

The secondary purpose of the present invention is to provide an electrical connector, the two sides of the end section of the elastic arm where the terminal is connected to the contact point are the natural arc radius formed during punching or the chamfer of the deburred edge.

In order to achieve the above purpose, the utility model provides an electrical connector, which includes: a plastic seat body, which is provided with a connecting groove; at least one row of terminals, which are arranged on the plastic seat body, and each terminal is a metal sheet The board surface is bent and is provided with a spring arm, a fixing part and a pin in sequence from one end to the other end, the fixing part is fixed with the plastic base body, the spring arm is provided with a contact point located in the connecting groove, and the pin extends out of the seat body; wherein a section of the elastic arm forms the contact point, and the elastic arm springs from the direction of the board surface when the contact point is squeezed.

The utility model further provides an electrical connector, which includes: a plastic seat body, which is provided with a connecting groove with an opening forward, and the connecting groove can be inserted into a row of wires, and the row of cables is provided with a row of contacts; at least one row The terminals are arranged on the plastic base body, and each terminal is formed by bending a sheet metal surface. It is provided with an elastic arm, a fixing part and a pin in order from one end to the other end, and the fixing part is connected with the plastic The seat body is fixed, the elastic arm is provided with a contact point located in the connecting groove, the contact point is electrically connected to the contact point of the cable, and the pin extends out of the plastic seat body; a row of pressing elastic pieces, each pressing elastic piece is provided with an elastic Arm, the elastic arm can be elastically pressed against the cable, the elastic arm of the row of terminals and the elastic arm of the row of elastic sheets are respectively pressed against the upper and lower sides of the cable, the elastic arm of the row of terminals and a When the elastic arms of the rows of springs are squeezed by the cable, they all spring from the direction of the board surface.

As for the electrical connector described above, two side arms are further provided on both sides of the plastic seat body, and the two side arms extend toward the opening direction of the connection groove, and a buckle is provided near the outer end thereof, when a circuit board is inserted into the connection groove During positioning, the buckle can lock one side of the circuit board.

The electrical connector as described above, wherein the contact point of the terminal is on the section of the elastic arm of the terminal.

The electrical connector as described above, wherein the contact point of the terminal is at an end section of the elastic arm of the terminal.

The electrical connector as described above, wherein the contact point of the terminal is a side where an end section of the elastic arm of the terminal is connected to the board surface.

The electrical connector as described above, wherein the contact point of the terminal is a natural arc radius formed during punching or a deburred chamfer.

The electrical connector described above, wherein the two sides of the end section of the spring arm where the terminal connects to the contact point are the natural arc radius formed during punching or the chamfer of the deburred edge.

As described in the electrical connector, wherein the opening of the connecting groove of the plastic base is forward, the at least one row of terminals includes a row of first terminals and a row of second terminals, and the second terminals are provided with upwardly protruding contacts, The first terminal is provided with a contact point protruding downward and is located above the contact point of the second terminal.

The electrical connector as described above, wherein the contact point of the first terminal is further behind the contact point of the second terminal.

As described in the electrical connector, wherein the connecting slot is provided with a card-removing slope, when a circuit board is obliquely inserted into the connecting slot and then pressed down, it can exit a stroke along the card-removing slope.

As for the electrical connector, wherein the elastic arm of the terminal extends toward the opening of the connection groove and the end section of the elastic arm is folded back away from the opening of the connection groove, and the folded portion of the elastic arm has no elasticity.

The electrical connector as described above, wherein the opening of the connecting groove is forward, the fixing portion of the terminal extends forward horizontally, the end section of the elastic arm is folded downward, and the pin protrudes toward the rear end of the plastic seat body .

The electrical connector as described above, wherein the opening of the connection groove is forward, the fixing part of the terminal extends backward horizontally, the elastic arm is folded forward from the fixing part and the end section is folded upward, the pin protrude toward the front end of the plastic seat body.

As mentioned in the electrical connector, wherein the end plate surface of the elastic arm of the terminal is pierced and protrudes a contact section oppositely, and the contact is arranged on the end section of the contact section.

The electrical connector as described above, wherein the opening of the connection groove is forward, the fixing part of the terminal extends backward horizontally, the elastic arm is provided with a first elastic arm and a second elastic arm, and the second elastic arm is connected to Extending backward from the fixing portion, the first elastic arm is folded forward from the second elastic arm and the end section is folded upward to keep away from the opening of the connecting groove. The folded portion of the first elastic arm is not elastic. The pin extends horizontally toward the front end of the plastic base.

In the electrical connector described above, the middle section of the end section of the elastic arm of the terminal is a convex portion.

As described in the electrical connector, wherein the fixing portion of the terminal extends longitudinally.

The electrical connector as described above, wherein the plastic seat body is provided with multiple rows of terminal grooves arranged in a matrix, the terminal grooves are provided with opposite first walls and second walls, the at least one row of terminals is multiple rows of terminals, each A terminal is arranged in a terminal groove, the fixing part of the terminal is against the first wall, and the opening of the connection groove faces upward and can place a chip.

The electrical connector as described above, wherein the end of the spring arm of the terminal passes through the second wall to above the terminal groove of the next wall.

The electrical connector, wherein the spring arm of the terminal first extends close to the second wall and then reverses so that the end passes through the first wall to above the terminal groove of the next wall.

The electrical connector as described above is further provided with an upper cover, an outer seat and a rocker, the plastic seat is fitted in the outer seat, the rear end of the upper cover is pivotally connected to the rear end of the outer seat, and The front end is provided with a protruding piece that is transverse and protrudes forward. When the upper cover is closed on the plastic base, the chip can be pressed down. The rocker is provided with a first bar and a second bar that are perpendicular to each other. The rod is pivotally connected to the front end of the outer seat and is bent to form a protruding rod. When the first rod swings toward the rear end of the plastic seat body, the protruding rod can press the tab of the upper cover.

The electrical connector as described above, wherein the at least one row of terminals is two rows, the contacts of the two rows of terminals are arranged front and back and protrude toward the same direction, and the opening of the connecting groove is forward.

As described in the electrical connector, wherein the contacts of the at least one row of terminals are arranged in a row, the opening of the connecting slot is forward and can be inserted into a row of wires, and the row of contacts is provided on the row of cables.

The electrical connector as described above, wherein the fixed portion of the terminal extends forward horizontally, the elastic arm extends toward the opening of the connecting groove and the end section of the elastic arm is folded back away from the opening of the connecting groove, the folded part of the elastic arm Not elastic, the pin protrudes toward the rear end of the plastic base.

The electric connector as described above, wherein a flip cover is provided above the plastic seat body, the row of pressing elastic pieces press the flip cover, the flip cover is provided with a cam, and the flip cover can pivot relative to the plastic seat body, When the flip cover is pivoted, the cam can be pressed against or loosened from the cable.

The electric connector as described above, wherein the resisting elastic piece is provided with a pivoting portion to pivotally connect with the flip cover.

The electrical connector as described above, wherein the plastic seat body is provided with a sliding piece, and the sliding piece can be slidably inserted into the connecting groove, and the row of pressing elastic pieces press the sliding piece and indirectly press against the cable.

As in the electrical connector described above, each resisting elastic piece is formed by bending a metal sheet surface and further has a fixing part, and the fixing part is fixed to the plastic seat body.

As mentioned in the above electrical connector, a metal shell is further provided to cover the plastic base body, and the row of resisting elastic pieces and the metal shell are integrally stamped and formed from metal.

As mentioned in the electrical connector, wherein the side of the metal shell is provided with a welding plate portion.

As described in the electrical connector, wherein the less row of terminals includes a row of first terminals and a row of second terminals, the elastic arms of the first terminals extend toward the insertion opening of the connecting groove, and the elastic arms of the second terminals Extending away from the insertion opening of the connection groove, the contacts of the row of first terminals and the contacts of the row of second terminals are arranged in a staggered manner.

The electrical connector as described above, wherein the at least one row of terminals is two rows of terminals, the two rows of terminals are fixed on both sides of the connecting groove, and the elastic arms of the two rows of terminals extend upward from the lower end of the plastic base.

The electrical connector as described above, wherein the plastic seat body is provided with a convex positioning structure, and the fixing portion of the terminal is curved and engaged with the convex positioning structure.

The electrical connector as described above, wherein the inner bottom surface of the convex positioning structure of the plastic seat is provided with a through hole for the fixing part of the at least one row of terminals to sink into the through hole.

The electrical connector as described above, wherein the at least one row of terminals is assembled on the plastic seat body from top to bottom, and the fixing portion of the at least one row of terminals is locked with the plastic seat body.

The above and other objectives, advantages and features of the present invention can be more clearly understood from the following detailed description of the preferred embodiments and with reference to the drawings.

【Description of drawings】

FIG. 1 is a side sectional view of a conventional electrical connector.

Fig. 2 is a side perspective view of a conventional electrical connector.

Fig. 3 is a three-dimensional exploded view of the first embodiment of the present invention.

Fig. 4 is a three-dimensional combined view of the first embodiment of the utility model.

Fig. 5 is a side sectional view of the first embodiment of the utility model.

Fig. 6 is a diagram of the use state of the first embodiment of the utility model.

Fig. 7 is a diagram of the use status of the first embodiment of the present invention.

Fig. 8 is a diagram of the usage state of the first embodiment of the present utility model.

Fig. 9 is a diagram of the usage state of the first embodiment of the present utility model.

Fig. 10 is a perspective view of the second terminal of the first embodiment of the present invention.

10A is an end plan view of the second terminal of the first embodiment of the present invention.

Fig. 11 is a perspective view of the second terminal of the first embodiment of the present invention.

Fig. 12 is a perspective view of the second terminal of the first embodiment of the present invention.

Fig. 12A is an end plan view of the second terminal of the first embodiment of the present invention.

Fig. 13 is a perspective view of the second terminal of the first embodiment of the present invention.

13A is an end plan view of the second terminal of the first embodiment of the present invention.

Fig. 14 is a side sectional view of the second embodiment of the utility model.

Fig. 15 is a side sectional view of the third embodiment of the present invention.

Fig. 16 is a side sectional view of the fourth embodiment of the present utility model.

Fig. 17 is a three-dimensional exploded view of the fifth embodiment of the present invention.

Fig. 18 is a side sectional view of the fifth embodiment of the present invention.

Fig. 19 is a diagram of the usage state of the fifth embodiment of the present utility model.

Fig. 20 is a diagram of the usage state of the fifth embodiment of the present invention.

Fig. 21 is a diagram of the usage state of the fifth embodiment of the present invention.

Fig. 22 is a diagram of the usage state of the sixth embodiment of the present utility model.

Fig. 23 is a side sectional view of the seventh embodiment of the present utility model.

Fig. 24 is a side sectional view of the eighth embodiment of the present utility model.

Fig. 25 is a side sectional view of the ninth embodiment of the present invention.

Fig. 26 is a side sectional view of the tenth embodiment of the present utility model.

Fig. 27 is a three-dimensional sectional view of the tenth embodiment of the present utility model.

Fig. 28 is a side sectional view of the eleventh embodiment of the present utility model.

Fig. 29 is a side sectional view of the twelfth embodiment of the present invention.

Fig. 30 is a perspective view of the second terminal of the twelfth embodiment of the present invention.

Fig. 31 is a perspective view of the second terminal of the twelfth embodiment of the present invention.

Fig. 32 is a perspective view of the second terminal of the twelfth embodiment of the present invention.

Fig. 33 is a perspective view of the second terminal of the twelfth embodiment of the present invention.

Fig. 34 is a side sectional view of the thirteenth embodiment of the present utility model.

Fig. 35 is a side sectional view of the fourteenth embodiment of the present utility model.

Fig. 36 is a side sectional view of the fifteenth embodiment of the present utility model.

Fig. 37 is a side sectional view of the sixteenth embodiment of the present utility model.

Fig. 38 is an exploded perspective view of the seventeenth embodiment of the present utility model.

Fig. 39 is a three-dimensional combined view of the seventeenth embodiment of the present utility model.

Fig. 40 is a perspective view of the seventeenth embodiment of the utility model in use.

Fig. 41 is a side sectional view of the seventeenth embodiment of the present invention.

Fig. 42 is a side sectional view of the seventeenth embodiment of the utility model in use.

Fig. 43 is a perspective view of the terminal and the inner seat of the seventeenth embodiment of the present invention.

Fig. 44 is a perspective view of the terminals of the eighteenth embodiment of the present invention.

Fig. 45 is a top view of the terminal and the inner seat of the eighteenth embodiment of the present invention.

Fig. 46 is a perspective view of a terminal of the nineteenth embodiment of the present invention.

Fig. 47 is a perspective view of a terminal of the twentieth embodiment of the present invention.

Fig. 48 is a side sectional view of the twentieth embodiment of the present invention.

Fig. 49 is a side sectional view of the twenty-first embodiment of the present invention.

Fig. 50 is a perspective view of a terminal of the twenty-second embodiment of the present utility model.

Fig. 51 is a top view of the terminal and the inner seat of the twenty-second embodiment of the present invention.

Fig. 52 is a perspective view of a terminal of the twenty-third embodiment of the present invention.

Fig. 53 is a perspective view of a terminal of the twenty-fourth embodiment of the present invention.

Fig. 54 is a perspective view of a terminal of the twenty-fifth embodiment of the present invention.

Fig. 55 is a side sectional view of the twenty-sixth embodiment of the present invention.

Fig. 56 is a side sectional view of the flip cover of the twenty-seventh embodiment of the present invention turned flat.

Fig. 57 is a side sectional view of the flip cover of the twenty-seventh embodiment of the present invention.

Fig. 58 is a side sectional view of the sliding piece inserted into the connecting groove according to the twenty-eighth embodiment of the present invention.

Fig. 59 is a side sectional view of the sliding piece sliding out of the connecting groove according to the twenty-eighth embodiment of the present invention.

Fig. 60 is a side sectional view of the twenty-ninth embodiment of the present invention.

Fig. 61 is a side sectional view of the thirtieth embodiment of the present invention.

Fig. 62 is a side sectional view of the thirty-first embodiment of the present invention.

Fig. 63 is a side sectional view of the thirty-second embodiment of the present invention.

Fig. 64 is a side sectional view of the thirty-third embodiment of the present invention.

Fig. 65 is a side sectional view of the thirty-fourth embodiment of the present invention.

Fig. 66 is an exploded perspective view of the thirty-fifth embodiment of the present invention.

Fig. 67 is a three-dimensional assembled view of the thirty-fifth embodiment of the present utility model.

Fig. 68 is a side sectional view of the thirty-fifth embodiment of the present invention.

Fig. 69 is a side sectional view of the thirty-fifth embodiment of the present invention.

Fig. 70 is a side sectional view of the thirty-sixth embodiment of the present invention.

Fig. 71 is a side view of the terminal of the thirty-seventh embodiment of the present utility model.

Fig. 72 is an exploded perspective view of the thirty-eighth embodiment of the present invention.

Fig. 73 is a side sectional view of the thirty-eighth embodiment of the present invention.

Fig. 74 is a diagram of the usage state of the thirty-eighth embodiment of the utility model.

Fig. 75 is a diagram of the usage state of the thirty-eighth embodiment of the utility model.

Fig. 76 is a diagram of the usage status of the thirty-ninth embodiment of the present invention.

Fig. 77 is a three-dimensional exploded view of the fortieth embodiment of the present utility model.

Fig. 78 is a side sectional view of the fortieth embodiment of the present invention.

Fig. 79 is a side sectional view of the forty-first embodiment of the present utility model.

Fig. 80 is a side sectional view of the forty-second embodiment of the present utility model.

Plastic seat body 30 Connection groove 31 Card ejection shrapnel groove 32

Side arm 33 Buckle 34 Card withdrawal slope 35

Horizontal against the reference plane 36 Longitudinal against the reference plane 37 Flange 38 Terminal slot 39

First wall 311 Second wall 312

Card slot 314 Notch 313 Push against shrapnel slot 315 Lift cover 317

Cam 318 Slider 319

Metal shell 320 Fixed hole 321 Welding plate part 322

Convex rib 323 Block 324 First terminal slot 326

Second terminal slot 327 Convex positioning structure 328 Perforation 329

Protrusion 330 Card slot 331 Solder plate component 332

Metal 333

First terminal 40 Elastic arm 41 Fixed part 42

Fixed part 43 Pin 44 Contact point 46 Horizontal elastic arm 47

Longitudinal elastic arm 48 Contact section 49

Second terminal 50 Horizontal spring arm 51 Longitudinal spring arm 52 Fixed part 53

Pin 54 Contact 56

Fixed part 510 Elastic arm 57 First elastic arm 58 Second elastic arm 59

Contact section 512 Two sides 513

Convex part 514 Burr 515 Natural R angle 516 Leading angle 517

Two sides 520 Terminal 60 Fixed part 62 Elastic arm 61

Pin 63

Contact 64 Lower section 66 Upper section 67 Solder ball 68

Hole 69 Strip 610

Break mark 611 Side edge 612 Notch 613

Two sides 614 First terminal 615 Second terminal 616

Contact section 617 Card point 618 Step difference 619

Upper cover 70 Cover surface 71 Side wall 72 Pivot joint 73

Resist piece 74 convex piece 75

Rocker 80 First Rod 81 Second Rod 82 Convex Rod 83

Handle 84 Card back shrapnel 87

Circuit board 90 Circuit board 95 Chip 100 Contact 101

Outer seat 110 bottom surface 111

Side wall 112 Penetration zone 113 Pivot joint 114

The second pivot joint 115 card making piece 116 presses against the shrapnel 120 elastic arm 121

Fixed part 122 Pivot joint part 123

Convex 124 Cable 130

Board-to-board electrical connector 150 Terminal 151 Card point 152

Board-to-Board Electrical Connectors 157

【Detailed ways】

Please refer to Fig. 3, Fig. 4, and Fig. 5, which are the first embodiment of the present utility model, which is a DDR SO DIMM electrical connector, which includes: a plastic seat body 30, a row of first terminals 40, a row of first terminals Two terminals 50, and a snap-back shrapnel 87, wherein:

The plastic seat body 30 is provided with a connecting groove 31 with an opening facing forward, and each side is provided with a card-removing shrapnel groove 32 communicating with the connecting groove 31. The two sides of the plastic seat body are provided with two side arms 33, and the two side arms 33 Extending towards the opening direction of the connecting groove, a buckle 34 is provided near the outer end thereof, and the buckle 34 can lock one side of the circuit board when a circuit board is inserted into the connecting groove for positioning.

The first terminal 40 is formed by bending the sheet metal surface. It is provided with an elastic arm 41, two fixing parts 42, 43 and a pin 44 in sequence from one end to the other end. The two fixing parts 42, 43 are horizontal and One high and one low are fixed to the plastic seat body 30, the pins 44 protrude horizontally from the rear end of the bottom surface of the plastic seat body 30, the elastic arm 41 extends toward the opening of the connecting groove and the end section is folded downward and away from the connecting groove 31 The opening of the elastic arm 41 is inflexible and is provided with the most downwardly protruding contact point 46. The contact point 46 is a sharp point and convex on the side where the end section of the elastic arm 41 is connected to the elastic arm plate surface. out to the connecting slot 31 , when the contact 46 is squeezed, the elastic arm 41 springs from the direction of the board surface.

The second terminal 50 is formed by bending a sheet metal surface, and it is sequentially provided with a transverse elastic arm 51, a longitudinal elastic arm 52, a fixing portion 53 and a pin 54 from one end to the other end. The plastic seat body 30 is fixed, the pin 54 protrudes horizontally from the front end of the bottom surface of the plastic seat body 30, the transverse elastic arm 51 extends obliquely upwards and the end is provided with a contact point 56 protruding upward to the connecting groove 31, the contact point 56 A sharp point is formed for the side where the cross-section of the end of the transverse elastic arm 51 is connected to the plate surface of the transverse elastic arm.

The contact 46 of the first terminal 40 is located above and behind the contact 56 of the second terminal 50 .

The card ejection spring 87 is disposed in the card ejection spring groove 32 , and the card ejection spring 87 is U-shaped with one end extending to the connecting groove 31 .

Referring to Fig. 6, the circuit board 90 is inserted into the connecting groove 31 obliquely in use, and the gold fingers at one end of the circuit board can contact the contacts 46, 56 of the first and second terminals 40, 50, please refer to Fig. 7 and Fig. 8, the circuit board 90 can be pushed in again to compress the card ejection shrapnel 87, please refer to Fig. 9, when letting go, the circuit board 90 can be pushed out for a stroke by the rebound of the card ejection shrapnel 87, the circuit board 90 The two sides of the other end are locked by the buckles 34 of the two side arms 33. At this time, the gold finger at one end of the circuit board can rub a stroke with the contacts 46, 56 of the first and second terminals 40, 50 to achieve a better Scrape off the oxide layer effect.

The contact points 46, 56 of the first and second terminals of this embodiment are the natural arc radius formed during punching (the arc radius is called for short as R angle) or the chamfer of the deburring edge, and the springs connecting the contact points 46, 56 The two sides of the end section of the arm are the natural R angle formed during punching or the lead angle of the deburred edge, so that the poor contact will not be caused by the uneven burrs during electrical connection, and the lead angle of the burred edge can be a circular arc surface Or a 45-degree cut.

When the terminal is punched, one side of the cut surface will form a natural R angle and the other side will form a rough edge. Therefore, the implementation of this embodiment has the following methods. The second terminal is used for illustration, and the implementation of the first terminal is also same.

Please refer to FIG. 10 and FIG. 10A. If one side of the cut surface of the second terminal 50 provided with the contact 56 is all burrs 515 and the other side is all formed into a natural R angle 516, then the contact 56 needs to be deburred to form a chamfer 517. , and the two sides 513 of the end section of the transverse elastic arm connected to the contact 56 also need to be deburred to form a chamfer 517. In addition, the most upwardly convex convex part in the middle of the end section of the elastic arm is the contact 56, and the two sides 520 is curved downward.

Please refer to FIG. 11 , if one side of the cut surface of the second terminal 50 is provided with a contact 56 is a natural R angle 516 and the other side is a burr 515 , then the contact 56 and the end section of the transverse elastic arm connecting the contact 56 The two sides 513 of both sides are natural R angles, which have good contact, and do not need to be processed into chamfers.

Please refer to Fig. 12 and Fig. 12A, if one side of the cut surface of the second terminal 50 provided with the contact 56 is all burrs 515 and the other side is all formed at a natural R angle 516, the middle of the cross section of the end of the transverse elastic arm is convex backward. part 514, then the end section of the transverse elastic arm is provided with one side of the contact point 56 to form a chamfer 517. In addition, the most upwardly convex convex part in the middle of the end section of the elastic arm is the contact point 56, and the two sides 520 is curved downward.

Please refer to FIG. 13 and FIG. 13A. If one side of the cut surface of the second terminal 50 is provided with the contact point 56, it is all burrs 515 and the other side is a natural R angle 516. part 514, then the end section of the transverse elastic arm is provided with one side of the contact point 56 to form a chamfer 517. In addition, the most upwardly convex convex part in the middle of the end section of the elastic arm is the contact point 56, and the two sides 520 is curved downward.

From the above description, the utility model can summarize the following advantages:

1. The terminal of the utility model is formed by bending the surface of the metal sheet, which can be formed into a continuous terminal, which saves material and labor in assembly.

2. The end section of the elastic arm of the terminal of the utility model forms a contact point, which can achieve a better effect of scraping off the oxide layer.

3. The contact point of the terminal of the present utility model is the end section of the elastic arm and is formed during punching. It is a natural R angle formed during punching or a chamfered corner without burrs, so that poor contact will not be caused by uneven burrs during electrical connection.

Please refer to Fig. 14, which is the second embodiment of the present utility model, which is roughly the same as the first embodiment, the difference is that the contact points 46, 56 of the first and second terminals 40, 50 are the end sections of the elastic arms and are arc-shaped. .

Please refer to Fig. 15, which is the third embodiment of the present utility model, which is roughly the same as the second embodiment, the difference is that the higher fixing part 42 of the first terminal 40 is behind the second embodiment, so that the elastic arm 41 It can be longer, and the second terminal 50 is further provided with a fixing portion 510 higher than the fixing portion 53 .

Please refer to Fig. 16, which is the fourth embodiment of the present utility model, which is roughly the same as the first embodiment, the difference is that the contacts 46, 56 of the first and second terminals 40, 50 are the end sections of the elastic arms and are extruded. It becomes a sharp point, and its arc radius is close to 0.

Please refer to Fig. 17 and Fig. 18, which is the fifth embodiment of the present utility model, which is a MINI PCI-E electrical connector, which includes: a plastic seat body 30, a row of first terminals 40, and a row of second terminals 50 , a card back shrapnel 87 and a card hook 65, wherein:

The plastic seat body 30 is provided with a connection groove 31 with an opening facing forward, and a card-removing spring groove 32 communicates with the connection groove 31 on both sides. A transverse abutment reference surface 36 and a longitudinal abutment reference surface are provided in the plastic seat Surface 37.

The first terminal 40 is formed by bending a metal sheet, and it is sequentially provided with a transversely extending transverse elastic arm 47 and a longitudinally extending longitudinal elastic arm 48, a fixing portion 43 and a connecting portion from one end to the other end. Foot 44, the fixing part 43 is fixed to the plastic seat body 30 horizontally, the pin 44 extends out of the rear end of the bottom surface of the plastic seat body 30 horizontally, and the end section of the transverse elastic arm 47 is folded downward and away from the opening of the connecting groove And be provided with a most downward protruding contact point 46, and this contact point 46 is a sharp point and protrudes to this connection groove 31 on one side that the end cross section of this elastic arm 41 connects with the elastic arm plate surface, the lateral direction of this first terminal The elastic arm 47 is slightly beyond the level and has a downward overflow pressure against the transverse abutment reference surface 36, and the longitudinal elastic arm 48 of the first terminal has a forward overflow pressure against the longitudinal abutment reference surface 37, and the transverse elastic arm 47 and the longitudinal elastic arm 48 abut against the plastic seat body between the fixing portion 43 and the contact point 46 .

The second terminal 50 is formed by bending a sheet metal surface. It is sequentially provided with a transverse elastic arm 51, a longitudinal elastic arm 52, a fixing portion 53 and pins 54 from one end to the other end. The fixing portion 53 Fixed with the plastic seat body 30, the pin 54 protrudes horizontally from the front end of the bottom surface of the plastic seat body 30, the transverse elastic arm 51 extends obliquely upwards and the end is provided with a contact point 56 protruding upward to the connecting groove 31, the contact point 56 is a sharp point on the side where the end section of the transverse elastic arm 51 is connected to the plate surface of the transverse elastic arm.

The contact 46 of the first terminal 40 is located above and behind the contact 56 of the second terminal 50 .

The card ejection spring 87 is disposed in the card ejection spring groove 32 , and the card ejection spring 87 is U-shaped with one end extending to the connecting groove 31 .

The hook 65 is disposed in front of the plastic base 30 .

Please refer to FIG. 19 , the circuit board 90 is inserted into the connection groove 31 obliquely in use, and the golden finger at one end of the circuit board can contact the contacts 46, 56 of the first and second terminals 40, 50. Please refer to FIG. 20 , The circuit board 90 can be pushed in again to compress the card ejection shrapnel 87, please refer to Fig. 21, when letting go, the circuit board 90 can be pushed out for a stroke by the rebound of the card ejection shrapnel 87, the other end of the circuit board 90 is two The side is that the hook 65 is locked.

Please refer to Fig. 22, which is the sixth embodiment of the present utility model, which is roughly the same as the fifth embodiment, the difference is that the contacts 46, 56 of the first and second terminals 40, 50 are aligned up and down, so that the circuit board 95 can be approached Insert by flat insertion.

Please refer to Fig. 23, which is the seventh embodiment of the present utility model, which is roughly the same as the fifth embodiment, the difference is that the inner end of the connecting groove 31 of the plastic seat body 30 is provided with a card-removing slope 35, when a circuit board is inserted The card-removing slope 35 can be extended to withdraw from a stroke.

Please refer to FIG. 24 , which is the eighth embodiment of the present invention, which is roughly the same as the seventh embodiment, the difference being that the plastic seat body 30 is not provided with a card-removing elastic piece and the inner end of the connecting groove 31 is not provided with a card-removing slope.

Please refer to Figure 25, which is the ninth embodiment of the present utility model, which is a DDR SO DIMM electrical connector, which is roughly the same as the fifth embodiment.

Please refer to Fig. 26 and Fig. 27, which is the tenth embodiment of the present utility model, which is roughly the same as the first and ninth embodiments, the difference is that the end section of the transverse elastic arm 47 of the first terminal 40 in this embodiment is provided with a plate A contact section 49 with a narrow surface, reflexed downward and extending backward, a convex portion 415 is provided in the middle of the end section of the contact section 49, and the edge of the convex portion 415 forms a most convex downward contact point 46. A groove 310 is provided in the middle of the reference surface 36, and the contact section 49 of the transverse elastic arm 47 can be inserted into the groove 310, so that the first terminal 40 can get out of the plastic seat body when it is laterally assembled on the plastic seat body from the rear to achieve It is convenient to assemble. In addition, the second terminal 50 of this embodiment is provided with a first elastic arm 58 and a second elastic arm 59 extending in opposite directions, thus forming a compression spring structure with excellent elasticity. The end section of the first elastic arm 58 is Contact 56. .

Please refer to FIG. 28 , which is the eleventh embodiment of the present utility model, which is roughly the same as the tenth embodiment, the difference is that the contact section 49 of the transverse elastic arm 47 of the first terminal 40 in this embodiment is from the transverse elastic arm 47 The board surface is pierced and punched out.

Please refer to Figure 29, which is the twelfth embodiment of the present utility model, which is roughly the same as the fifth embodiment, the opening of the connecting groove 31 is forward, the difference is that the second terminal 50 of this embodiment is only provided with a forward and upward Extended elastic arm 57, its fixing portion 53 extends horizontally and backwards, the elastic arm 57 is folded forward from the fixed portion 53 and the end section of the elastic arm 57 is folded upward and away from the opening of the connecting groove. The reflexed part of 57 has no elasticity and is provided with an upwardly protruding contact point 56. The contact point 56 is a sharp point on the side where the end section of the elastic arm 57 is connected to the plate surface of the elastic arm 57 and protrudes to the connecting groove 31. , the pin 54 protrudes horizontally toward the front end of the plastic base 30 .

The contact points 46 and 56 of the first and second terminals in this embodiment are the natural R angle formed during punching or the chamfering angle of the deburring edge, and the two sides of the end section of the elastic arm connecting the contact points 46 and 56 are formed during punching. The formed natural R angle or the chamfered corner without the burr will prevent poor contact due to uneven burrs during electrical connection.

When the terminal is punched, one side of the cut surface will form a natural R angle and the other side will form a rough edge. Therefore, the implementation of this embodiment has the following methods. The second terminal is used for illustration, and the implementation of the first terminal is also same.

Please refer to Fig. 30, if one side of the cut surface of the second terminal is provided with a contact 56 is all burrs 515 and the other side is a natural R angle 516, then the contact 56 needs to be deburred to form a chamfer 517, and the contact is connected The two sides 513 of the end section of the elastic arm of 56 also need to be deburred to form a chamfer 517. In addition, the most upward convex part in the middle of the end section of the elastic arm is the contact point 56, and the two sides are curved downward. .

Please refer to Fig. 31, if one side of the cut surface of the second terminal is provided with a contact 56 is a natural R angle 516 and the other side is a burr 515, then the contact 56 and the end section of the transverse elastic arm connecting the contact 56 The sides are all natural R angles, which already have good contact, and do not need to be processed into chamfers.

Please refer to Fig. 32, if one side of the cut surface of the second terminal is provided with the contact point 56 is a burr 515 and the other side is a natural R angle 516, and the middle of the cross section of the end of the transverse elastic arm is a convex part 514 that protrudes backward, then The section at the end of the transverse elastic arm is provided with one side of the contact point 56 to form a chamfer 517. In addition, the most upward convex part in the middle of the end section of the elastic arm is the contact point 56, and the two sides are curved. down.

Please refer to FIG. 33 , if one side of the cut surface of the second terminal is provided with a contact point 56 is a burr 515 and the other side is a natural R-angle 516, and the middle of the section of the end of the transverse elastic arm is a convex portion 514 that protrudes backward, then The section at the end of the transverse elastic arm is provided with one side of the contact point 56 to form a chamfer 517. In addition, the most upward convex part in the middle of the end section of the elastic arm is the contact point 56, and the two sides are curved. down.

Please refer to Fig. 34, which is the thirteenth embodiment of the present utility model, which is roughly the same as the fifth embodiment, the difference is that the second terminal 50 of this embodiment is only provided with a transverse elastic arm 51 extending backward and upward and fixed The portion 53 extends longitudinally and is fixed to the plastic seat 30 , and the second terminal 50 is assembled to the plastic seat 30 from top to bottom.

Please refer to FIG. 35 , which is the fourteenth embodiment of the present invention, which is substantially the same as the thirteenth embodiment, the difference being that the second terminal 50 is assembled on the plastic base 30 from bottom to top.

Please refer to FIG. 36 , which is the fifteenth embodiment of the present utility model, which is roughly the same as the fifth embodiment. An elastic arm 58 and a second elastic arm 59, the second elastic arm 59 is connected to the fixing portion 53 and extends backward and slightly upward, the first elastic arm 58 is folded forward from the second elastic arm 59 and Extending upwards and the end section is folded upwards and backwards, the pin 54 protrudes horizontally toward the front end 30 of the plastic seat body.

Please refer to FIG. 37 , which is the sixteenth embodiment of the present utility model, which is roughly the same as the fifteenth embodiment. The difference is that the second elastic arm 59 in this embodiment is bent upward by a certain height and then extends horizontally backward.

Please refer to Fig. 38, Fig. 39, Fig. 40, Fig. 41 and Fig. 42, which are the seventeenth embodiment of the present utility model, which is a CPU electrical connector, which includes: a plastic seat body 30, an outer seat 110, Multiple rows of terminals 60, a top cover 70, and a rocker 80, wherein:

The outer seat 110 is made of metal, and the outer seat 110 is provided with a bottom surface 111 and two side walls 112. A hollow area 113 is formed in the center of the bottom surface 111, and a first pivot joint 114 is provided at the front end, and a first pivot joint 114 is provided at the rear end. There is a hole-shaped second pivot portion 115 , and a clamping piece 116 is disposed on the other side thereof.

The plastic seat body 30 fits inside the outer seat 110, and is provided with a plurality of rows of terminal slots 39 arranged in a matrix, and an upward flange 38 is provided on the periphery of its upper end to form a connection slot 31 for placing a chip 100. , please refer to Figure 43, wherein each terminal groove 39 is provided with a first wall 311 and a second wall 312 opposite to each other, the two sides of the first wall are provided with a card slot 314, and the upper edge of the second wall 312 is provided with There is a gap 313 to the terminal slot 39 on the next wall.

The multi-row terminals 60 are assembled in the multi-row terminal slots 39 of the plastic seat body 30 from top to bottom. pin 63; the fixed part 62 is against the first wall 311 of the terminal slot 39 and locked in the card slot 314; one end of the elastic arm 61 is connected to the upper end of the fixed part 62 and the other end extends obliquely upward. An inclined wide plate, its upper section 67 is an inclined narrow plate, the upper section 67 extends to the next-door terminal groove 39 and corresponds up and down to the lower section 66 of the terminal 60 in the terminal groove 39, the end section of the elastic arm 61 is in line with the elastic arm One side of the board surface connection is a pointed point that is the most convex contact point 64, and the contact point 64 protrudes from the terminal groove 39 to the connecting groove 31; one end of the pin 63 is connected to the lower end of the fixing part 62, and the other end is bent Fold to form a horizontal piece to solder a solder ball 68 ; after the multiple rows of terminals 60 are assembled into the plastic base 30 , solder a solder ball 68 to the pin 63 of each terminal.

Wherein, the width of the notch 314 of the terminal groove 39 is only slightly larger than the width of the upper section 66 of the elastic arm 61 of the terminal 60, so that the elastic arm 61 of the terminal can only bounce up and down without being restricted by the notch 314 without shifting left and right. In addition, please refer to FIG. 43. When the terminals are manufactured, they are arranged according to the intervals of the terminal grooves 39 and are connected into continuous terminals by a strip 610. The upper end of the fixing part 61 is the connection strip 610 and is provided with a breaking mark 611. The entire row of terminals 60 is loaded into a row of terminal grooves 39 at a time, and then the strip 610 is broken by the breaking marks 611 .

The upper cover 70 is provided with a cover surface 71 and two side walls 72, a curved pivot joint 73 is provided on both sides of the rear end, and a stop piece 74 is provided in the middle of the rear end, and the pivot joint 73 is pivotally connected to each other. The second pivot joint 95 at the rear end of the outer seat 110 is provided with two protruding pieces 75 at its front end. The two protruding pieces 75 protrude transversely and forwardly. The surface 71 can press down the periphery of the wafer 100 . In addition, when the upper cover 70 is lifted vertically, the resisting piece 74 can be against the rear end of the outer seat 110 so as not to fall out.

The rocker 80 is provided with a first rod 81 and a second rod 82 that are perpendicular to each other, the second rod 82 is pivotally connected to the first pivot joint 114 at the front end of the outer seat 110 of the base, and is bent to form a protruding rod 83 The outer end of the first rod 81 is bent to form a handle 84. When the first rod 81 swings toward the rear end of the base, the protruding rod 83 can press the protruding piece 75 of the upper cover 70, so that the upper cover 70 presses down on the wafer. 90 is electrically connected to the multiple rows of terminals 60; as shown in FIG.

With the above structure, since the elastic arm 61 extends to the adjacent terminal groove 41, the elastic arm 61 can have excellent elasticity, and the contact point 64 is the section at the end of the elastic arm; as shown in FIG. When the 70 is pressed and contacts the terminal, the elastic arm 61 of the terminal elastically shrinks, and its contact 64 can elastically contact the contact 101 of the chip 100, and can have a better scraping effect by cross-sectional contact, effectively scraping off the oxidation of the contact 101 layer.

Please refer to Fig. 44 and Fig. 45, it is the eighteenth embodiment of the present utility model, which is roughly the same as the seventeenth embodiment, the difference is that the wide plate 66 at the lower section of the elastic arm 61 of the terminal 60 is provided with an opening 69 The narrow plate 67 on the upper section of the spring arm 61 extends to the next-door terminal groove and corresponds up and down to the opening 69 of the wide plate 66 of the terminal in the terminal groove so as to be free from contact with the wide plate 66 with the opening 69; thus, Even if the height difference between the upper and lower segments of the elastic arm 61 is improperly controlled, the front and rear terminals 60 can also move away from each other through the opening 68 without contacting to cause a short circuit.

The spring arm 61 of this embodiment is caused by the punching and forming direction so that one side of the contact 64 is a burr 515 and the other side is a natural R angle 516, so the contact 64 needs to be deburred to form a chamfer 517, and the contact is connected. The two sides 614 of the end section of the spring arm of 64 also need deburring to form chamfer 517 .

Please refer to FIG. 46 , which is a nineteenth embodiment of the present invention, which is substantially the same as the seventeenth embodiment, the difference being that the pin 63 of the terminal 60 extends longitudinally.

Please refer to Fig. 47 and Fig. 48, which are the twentieth embodiment of the present utility model, which is roughly the same as the seventeenth embodiment, and the sharp point at the corner of the end section of the elastic arm 61 of the terminal 60 is also the most convex upward contact point. 64, the difference is that the elastic arm 61 of the terminal 60 first extends close to the second wall 312 and then reverses so that the end passes through the first wall 311 to the top of the terminal slot on the next wall, thereby not only increasing the elasticity of the elastic arm, but also strengthening the terminal Stability of positioning in the terminal groove; in addition, the upper end of the fixed part 62 is provided with two sides 612 and a notch 613 is formed in the middle, and the end section of the elastic arm 61 of the terminal passes through the notch 613, so that the two sides The edge 612 can limit the left-right direction of the elastic arm 61 .

The elastic arm 61 of this embodiment is caused by the punching and forming direction so that one side of the contact 64 is a natural R angle 516 and the other side is a burr 515, so that both sides of the contact 64 and the end section of the elastic arm connected to the contact 64 are Because the natural R angle already has good contact, it does not need to be processed into a chamfer.

Please refer to FIG. 49 , which is the twenty-first embodiment of the present invention, which is roughly the same as the twentieth embodiment, except that the curvature of the end section of the elastic arm 61 of the terminal 60 is slightly different.

Please refer to Fig. 50 and Fig. 51, which are the twenty-second embodiment of the present utility model, which is roughly the same as the seventeenth embodiment, and the sharp point of the corner of the end section of the elastic arm 61 of the terminal 60 is also the most convex upward The difference is that the elastic arm 61 of the terminal 60 in this embodiment is connected to one side of the fixing portion 62, and the lower section 66 and the upper section 67 of the elastic arm are staggered.

Please refer to Figure 52, which is the twenty-third embodiment of the present utility model, which is roughly the same as the twenty-second embodiment, and the lower section 66 and upper section 67 of the spring arm 61 of the terminal 60 are also staggered, and the difference lies in this embodiment The elastic arm 61 of the terminal 60 is connected to the upper end of the fixing portion 62 , and the end section of the elastic arm is cut into a circular arc surface and is the most convex contact 64 .

Please refer to FIG. 53 , which is the twenty-fourth embodiment of the present invention, which is roughly the same as the seventeenth embodiment, the difference being that the elastic arm 61 of the terminal 60 in this embodiment is bent into a U shape.

Please refer to Figure 54, which is the twenty-fifth embodiment of the present utility model, which is roughly the same as the twentieth embodiment, the difference is that the bending angle of the elastic arm 61 of the terminal 60 is slightly different from that of the twentieth embodiment, And the fixing portion 62 is bent into a U shape.

The elastic arm 61 of this embodiment is caused by the punching and forming direction so that one side of the contact 64 is a natural R angle 516 and the other side is a burr 515, so that both sides of the contact 64 and the end section of the elastic arm connected to the contact 64 are Because the natural R angle already has good contact, it does not need to be processed into a chamfer.

Please refer to Fig. 55, which is the twenty-sixth embodiment of the present utility model, which is another electrical connector, which includes: a plastic seat body 30, a row of first terminals 40 and a row of second terminals 50, wherein:

The plastic seat body 30 is provided with a connecting groove 31 with an opening facing forward and two rows of terminal grooves 39 , the connecting groove 31 can be inserted with an electronic component, and the upper end of the terminal groove 39 is provided with a transverse bottom reference surface 36 .

The first terminal 40 is provided with an elastic arm 41, a fixing portion 42 and a pin 44, the fixing portion 42 is horizontally fixed to the plastic base 30, and the fixing portion 42 and the elastic arm 41 are horizontally away from the connecting groove. The opening of the elastic arm 41 is extended. The end section of the elastic arm 41 is provided with a narrow contact section 49. The contact section 49 is bent and protrudes upwards to the connecting groove 31. The front section of the elastic arm 41 abuts against the horizontal base against the reference Surface 36, the contact section 49 end section of the elastic arm 41 is the most convex contact point 46 upward, and the pin 44 protrudes from the bottom surface of the front end of the plastic seat body 30 in a longitudinal direction.

The second terminal 50 is provided with an elastic arm 57, a fixing portion 53 and a pin 54, the fixing portion 53 is horizontally fixed to the plastic seat body 30, the fixing portion 53 and the elastic arm 57 are both horizontal to the connecting groove The opening of the elastic arm 57 is folded back and provided with a narrower contact section 512 extending backward and upward. The front section of the arm 41 abuts against the transverse bottom reference surface 36 , the contact 56 protrudes to the connection groove 31 , and the contacts 46 , 56 of the first and second terminals 40 , 50 are arranged front and back and both face upward.

Please refer to Fig. 56 and Fig. 57, which are the twenty-seventh embodiment of the present utility model, which is a cable connector, which includes: a plastic seat body 30, a row of terminals 60 and a row of elastic sheets 120, wherein :

The plastic seat body 30 is provided with a connection groove 31 with an opening forward and a hinged cover 317. The connection groove 31 can be inserted into a row of wires 130. The row of cables is provided with a row of contacts. There is a row of terminal slots 39 arranged on the bottom of the spring slot 315, and the flip cover 317 is provided with a pivot portion 335 and a cam 318. When the flip cover 317 pivots, the cam 318 can be pressed or loosened with the cable 130. ;

The row of terminals 60 is provided in a row of terminal grooves 39 of the plastic seat body 30, each terminal 60 is formed by bending a metal sheet, and is sequentially provided with an elastic arm 61, a The fixing part 62 and a pin 63, the fixing part 62 extends horizontally forward and is fixed to the plastic seat body 30, the elastic arm 61 extends toward the opening of the connecting groove 31 and the end section is folded upward and away from the connecting groove 31 Opening, the reflexed part of the elastic arm 41 is not elastic and is provided with the most upwardly protruding contact point 64, which is a sharp point on the side where the end section of the elastic arm 61 is connected to the elastic arm plate surface and protrudes to The connecting groove 31, when the contact 64 is squeezed, the elastic arm 61 bounces from the direction of the board, the contact 64 is electrically connected to the contact of the cable 130, and the pin 63 extends from the rear end of the plastic seat body 30. out.

The row of pressing elastic pieces 120 is arranged in a row of pressing elastic piece grooves 315 of the plastic seat body, each pressing elastic piece 120 is formed by bending a metal sheet surface and is provided with an elastic arm 121 and a fixing part 122, the fixing The part 122 extends forward horizontally and is fixed with the plastic seat body. The elastic arm 122 extends toward the opening of the connecting groove 31 and is provided with a pivoting part 123 pivotally connected to and elastically pressing against the pivoting part 335 of the flip cover 317. The cam 318 of the flip cover 317 can be pressed against the cable 130, the elastic arms 61 of the row of terminals 60 and the elastic arms 121 of the row of elastic sheets 120 are respectively pressed against the upper and lower sides of the cable 130. The spring arm 61 of the terminal 60 and a row of spring arms 121 abutting against the spring piece 120 are both spring from the direction of the board surface when being squeezed by the cable 130 .

The contact point 64 of the terminal 60 in this embodiment is a natural R angle formed during punching or a deburred chamfer. In addition, the two sides of the end section of the elastic arm connecting the contact point 64 are also natural R angles formed during punching. Or the chamfering of the burrs, so that the electrical connection will not cause poor contact due to uneven burrs.

The row of terminals 60 and the row of resisting springs 120 in this embodiment are all formed by bending and stamping the board surface, which is different from the existing C-shaped terminals that are blanked from the board, and can be stamped into continuous terminals in manufacturing. It is more cost-effective in manufacturing.

Please refer to Figure 58 and Figure 59, which is the twenty-eighth embodiment of the present utility model, which is a cable connector, which includes: a plastic seat body 30, a row of terminals 60 and a row of elastic sheets 120, wherein Roughly the same as the twenty-seventh embodiment, the difference is that the plastic base 30 of this embodiment is provided with a sliding piece 319, and the sliding piece 319 can be slidably inserted into the connecting groove 31, and the row of elastic arms against the elastic piece 120 Each of 121 is provided with a protrusion 124 protruding toward the connecting groove 31 to press against the sliding piece 319 to indirectly press against the flat cable 130 .

Please refer to Figure 60, which is the twenty-ninth embodiment of the present utility model, which is a cable connector, which includes: a plastic seat body 30, a row of terminals 60 and a row of elastic sheets 120, which are roughly the same as the first The twenty-seventh embodiment is the same, the difference is that the plastic seat body 30 of this embodiment is not provided with flip cover or sliding piece, and the end section of the elastic arm 121 of the row against the elastic piece 120 is folded downward to form a protrusion to the connecting groove 31 of the convex portion 124, the convex portion 124 directly against the cable 130.

Please refer to Figure 61, which is the thirtieth embodiment of the present utility model, which is a row of wire connectors, which is roughly the same as the twenty-ninth embodiment, and the difference is that a row of elastic grooves 315 in this embodiment are set Below the connection groove 31, the row of terminal grooves 39 is arranged above the connection groove 31. The end section of the spring arm 61 of the row of terminals 60 is folded downward and away from the opening of the connection groove 31. The folded back of the spring arm 41 is The part has no elasticity and is provided with the most downwardly protruding contact point 64. The end section of the elastic arm 121 of the row against the elastic piece 120 is folded upward to form a convex part 124 protruding to the connecting groove 31, and the convex part directly presses against the Cable 130.

Please refer to Fig. 62, which is the thirty-first embodiment of the present utility model, which is a cable connector, which includes: a plastic seat body 30, a row of terminals 60 and a row of elastic sheets 120, which are roughly in line with the first The twenty-seventh embodiment is the same, and the difference is that the contact point 64 of the terminal 60 in this embodiment is the elastic arm 61 that bends and protrudes upward. The connecting groove 31 is formed by extruding the surface of the elastic arm 61 into a smaller R angle and a sharp point, which can have a better scraping effect.

Please refer to Figure 63, which is the thirty-second embodiment of the present utility model, which is a row of wire connectors, which includes: a plastic seat body 30, a row of terminals 60 and a row of elastic sheets 120, which are roughly the same as the first The twenty-eighth embodiment is the same, and the difference is that the contact point 64 of the terminal 60 in this embodiment is the one that protrudes upward when the elastic arm 61 is bent. The connecting groove 31 is extruded into a small R angle and a sharp point on the board surface of the elastic arm 61, which can have a better scraping effect.

Please refer to FIG. 64 , which is a thirty-third embodiment of the present invention, which is a DDR electrical connector, which includes: a plastic seat body 30 and two rows of terminals 60 .

The plastic seat body 30 is provided with a connecting groove 31 and two rows of terminal grooves 39 .

The two rows of terminals 60 are arranged in the two rows of terminal grooves 39, and the terminals 60 are provided with an elastic arm 61, a fixing portion 62 and a pin 63, and the terminals 60 are longitudinally fixed to the plastic seat body 30, and the elastic arms 61 The elastic arm 61 is connected to the upper end of the fixing portion 62 and extends upward, and the end section of the elastic arm 61 is folded back and tilted downward. A cross section of the end of the elastic arm 61 is provided with a contact point 64 protruding to the connecting groove 31 .

Please refer to Fig. 65, it is the thirty-fourth embodiment of the present utility model, and it is a DDR electric connector, and it comprises: a plastic seat body 30 and two rows of terminals 60, and it is substantially the same as the thirty-third embodiment, The difference is that the end plate surface of the spring arm 61 of the terminal 60 in this embodiment is punched and pierced to protrude a contact section 617 in the opposite direction. 619 is pierced again, and its contact point 64 is located at the side that this contact section 617 end section is connected with elastic arm plate surface.

Please refer to Fig. 66, Fig. 67, Fig. 68 and Fig. 69, which are the thirty-fifth embodiment of the present utility model, which is a cable connector, which includes: a plastic seat body 30, a row of first terminals 615, A row of second terminals 616 and a row of elastic pieces 120, wherein:

A flip cover 317 is provided above the front section of the plastic seat body 30 and a metal shell 320 is sleeved above the rear section. A connection groove 31 with an opening forward is formed between the flip cover 317 and the plastic seat body 30, and the connection groove 31 can be A row of cables is inserted, the cables are provided with a row of contacts, the two sides of the metal shell 320 are respectively provided with a fixing hole 321 and a welding plate part 322, the rear section of the plastic base 30 is provided with a row of first terminal slots 326 and There is a row of second terminal slots 327 in the front section, the first and second terminal slots 326, 327 are provided with a convex positioning structure 328, and the inner bottom surface of the convex positioning structure 328 of the second terminal slot 327 is provided with a through hole 329, the The flip cover 317 is provided with a pivot portion 335 and a cam 318 , the flip cover 317 can pivot relative to the plastic base 30 , and the cam 318 can be pressed or loosened against the cable when the flip cover 317 pivots.

The fixing holes 321 on both sides of the metal shell 320 are engaged with the locking blocks 324 on both sides of the plastic base 30 , and the two soldering parts 322 can be soldered to a circuit board to strengthen the fixing of the overall electrical connector.

The row of first terminals 615 is assembled from top to bottom in a row of first terminal slots 326 arranged on the plastic seat body 30, and each first terminal 615 is formed by bending a sheet metal surface from one end to the other end. An elastic arm 61, a fixing portion 62 and a pin 63 are provided in sequence. The fixing portion 62 is curved and locked with the convex positioning structure 328. The elastic arm 61 extends toward the opening of the connecting groove 31 and ends at the end. The section is folded upwards and away from the opening of the connecting groove 31. The folded position of the elastic arm 41 is not elastic and is provided with the most upwardly protruding contact 64, which is the connection between the end section of the elastic arm 61 and the elastic arm plate surface. One side is a sharp point and protrudes to the connecting groove 31. When the contact 64 is squeezed, the elastic arm 61 bounces from the direction of the board surface. The contact 64 is electrically connected to the contact of the cable. The pin 63 It protrudes horizontally from the rear end of the plastic seat body 30 .

The row of second terminals 616 is assembled from top to bottom in a row of second terminal slots 327 arranged on the plastic seat body 30, and each second terminal 616 is formed by bending a sheet metal surface from one end to the other end. An elastic arm 61, a fixing part 62 and a pin 63 are provided in sequence. The fixing part 62 is curved and locked with the convex positioning structure 328 and is inserted into the through hole 329, so that the fixing part 62 locks the The length of the convex positioning structure 328 is relatively long. The elastic arm 61 extends away from the opening of the connecting groove 31. The elastic arm 61 is provided with the most upwardly protruding contact point 64. The contact point 64 is the end section of the elastic arm 61 and the elastic arm plate. One side connected to the surface is a sharp point and protrudes to the connecting groove 31. When the contact 64 is squeezed, the elastic arm 41 bounces from the direction of the board surface. The contact 64 is electrically connected to the contact of the cable. The pins 63 protrude from the front end of the plastic seat body 30 .

The contacts 61 of the row of first terminals 615 and the contacts 61 of the row of second terminals 616 are arranged in a staggered manner.

The row of pressing elastic pieces 120 and the metal shell 320 are integrally stamped and formed by metal, the row of pressing elastic pieces 120 are arranged on the front end of the metal shell 320, and each pressing elastic piece 120 is provided with an elastic arm 121, the elastic arm 122 extends toward the opening of the connection groove 31 and is provided with a pivoting portion 123 that is pivotally connected and elastically presses against the pivoting portion 335 of the flip cover 317. When the flip cover 317 pivots, the cam 318 can press against the cable. The elastic arms 611 of the first and second terminals 615, 616 and the elastic arms 122 of the first and second rows of terminals 615, 616 and the elastic arms 122 of the first row are respectively pressed against the upper and lower sides of the cable. The elastic arms 61 of the first row of terminals 615, 616 and the first row The elastic arms 121 abutting against the elastic piece 120 all spring from the direction of the board surface when being squeezed by the cable.

The contact point 64 of the first and second terminals 615, 616 in this embodiment is a natural R angle formed during punching or a chamfered corner without burrs. In addition, the two sides of the end section of the elastic arm connecting the contact point 64 are also formed during punching. The formed natural R angle or the chamfered corner without the burr will prevent poor contact due to uneven burrs during electrical connection.

With the above structure, in addition to the advantages described in the first example, this embodiment has the following advantages:

1. The row of elastic sheets 120 are integrally formed with the metal shell, which can make the thickness of the plastic seat 30 thinner, and better meet the requirements of light, thin and short products.

2. The first and second terminals 615 and 616 are arranged in front and rear rows, so that products with small terminal spacing can be easily installed.

3. The first and second terminals are engaged with the convex positioning structure 328 of the plastic seat body 30 to increase the fixing effect.

4. The first and second terminals are locked with the plastic seat body 30 from top to bottom, the first and second terminals can be supported by the plastic seat body 30, and both the first and second terminals spring downward when squeezed , so the stability is better.

5. The positioning and pivoting of the flip cover 317 can be very stable due to the pivot connection of the row of resisting elastic pieces 120 and the elastic pressing against the flip cover 317 .

6. The two sides of the metal shell 320 are respectively provided with a welding plate portion 322 for welding and fixing, so the metal shell 320 can better withstand the stress when the flip cover 317 pivots.

The flip cover 317 in the above-mentioned twenty-seventh embodiment and the thirty-fifth embodiment is all pivotally connected to a row of pressing elastic pieces 120, but the flip cover 317 can also be pivotally connected to the plastic seat body 30 in setting, and the one The rows of pressing elastic pieces 120 are only elastically pressed but not pivotally connected.

Please refer to Figure 70, which is the thirty-sixth embodiment of the present utility model, which is roughly the same as the thirty-fifth embodiment, the difference is that the metal shell 320 of this embodiment is provided with two ribs 323 to strengthen the strength of the board surface, and Only one row of first terminals 615 is provided.

Please refer to Figure 71, which is the thirty-seventh embodiment of the present utility model, which is roughly the same as the thirty-fifth embodiment and the thirty-sixth embodiment, the difference lies in the end of the elastic arm 61 of the first terminal 615 in this embodiment The section board surface is pierced and protrudes a contact section 617 in the opposite direction, and its contact point 64 is arranged on the side where the end section of the contact section 617 is connected with the spring arm board surface.

Please refer to FIG. 72 and FIG. 73 , which are the thirty-eighth embodiment of the present invention, which is a board-to-board electrical connector, which includes: a plastic seat body 30 and two rows of terminals 60 .

The plastic seat body 30 is provided with a connecting groove 31, a convex part 330 is arranged in the middle of the connecting groove 31, and a row of terminal grooves 39 are respectively arranged on both sides, and a convex positioning structure 328 is arranged on the terminal groove 39. Each has a row of locking slots 331 , and two corresponding ends of the plastic seat body 30 are respectively provided with a welding plate element 332 .

The two rows of terminals 60 are assembled in the two rows of terminal grooves 39 of the plastic seat body 30 from top to bottom. part 62 and a pin 63, the fixed part 62 is curved and locked with the convex positioning structure 328, the elastic arm 61 is connected to the fixed part 62 and extends upward from the lower end of the plastic seat body, the elastic arm The end section of 61 is reflexed and tilted downward. The reflexed part of the elastic arm 61 is not elastic and is provided with a contact point 64 that is most protruding to the connecting groove 31. The contact point 64 is the connection between the end section of the elastic arm 61 and the elastic arm plate surface. One side is a pointed point. When the contact point 64 is squeezed, the elastic arm 61 springs from the direction of the board surface, and the pin 63 protrudes horizontally from one side of the plastic seat body 30 .

The contact point 64 of the terminal 60 in this embodiment is a natural R angle formed during punching or a deburred chamfer. In addition, the two sides of the end section of the elastic arm connecting the contact point 64 are also natural R angles formed during punching. Or the chamfering of the burrs, so that the electrical connection will not cause poor contact due to uneven burrs.

Please refer to FIG. 74 , when a mated board-to-board electrical connector 150 is inserted into the connecting groove 31, the contacts 64 of the two rows of terminals 60 are electrically connected to the second row of terminals 151 of the board-to-board electrical connector 150, and the The locking points 152 of the second row of terminals 151 are engaged with the second row of engaging grooves 331 on both sides of the protrusion 330 , so that the two board-to-board connectors are engaged with each other.

Please refer to Fig. 75, a board-to-board electrical connector 157 is provided with two rows of plastic clamping points 152, when the board-to-board electrical connector 157 is inserted into the connection groove 31, the contacts 64 of the two rows of terminals 60 It is electrically connected with the two rows of terminals 151 of the board-to-board electrical connector 157 , and the two rows of locking points 152 are locked with the two rows of locking slots 331 on both sides of the protrusion 330 .

Please refer to Fig. 76, which is the thirty-ninth embodiment of the present utility model, which is roughly the same as the thirty-eighth embodiment, the difference is that the convex part 330 in the middle of the connecting groove 31 of the plastic seat body 30 in this embodiment is sleeved with a The metal piece 333, when a pair of board-to-board electrical connector 150 is inserted into the connection groove 31, the contacts 64 of the two rows of terminals 60 are electrically connected with the two rows of terminals 151 of the board-to-board electrical connector 150, and the two rows of terminals 60 are electrically connected to each other. The locking point 152 of the terminal row 151 is locked with the metal piece 333 .

Please refer to Fig. 77 and Fig. 78, it is the fortieth embodiment of the present utility model, which is roughly the same as the thirty-eighth embodiment, the difference is that the second row of terminal grooves 39 of the plastic seat body 30 in this embodiment extends to the connection groove The side of the convex part 330 in the middle of 31 makes the terminal groove 39 U-shaped, and the elastic arms 61 of the two rows of terminals 60 extend to the side of the convex part 330, so that the elastic arms 61 of the terminals are longer and can have better elasticity. The fixing portion 62 is provided with a locking point 618 which can be locked with a board-to-board electrical connector that is mated with it.

Please refer to Figure 79, which is the forty-first embodiment of the present utility model, which is roughly the same as the fortieth embodiment, the difference is that the end plate surface of the elastic arm 61 of the second row of terminals 60 is pierced in the opposite direction. A contact section 617 protrudes to the connection groove 31 , and its contact point 64 is located on the side where the cross section at the end of the contact section 617 connects with the elastic arm plate.

Please refer to Fig. 80, which is the forty-second embodiment of the present utility model, which is roughly the same as the fortieth embodiment, and the difference is that the contact point 64 of the second row of terminals 60 in this embodiment is a curved and convex surface of the elastic arm 61. In addition, the contact point 64 protrudes to the connection groove 31 and is extruded into a small R angle (arc radius) by the surface of the elastic arm 61 to form a sharp point, which can have a better scraping effect.

The specific embodiments proposed in the detailed description of the preferred embodiments are only for the ease of explaining the technical content of the present utility model, and are not limited to the present utility model in a narrow sense. The situation of applying for a patent scope can be implemented in various ways.

Claims (36)

1. An electrical connector, including: A plastic seat body is provided with a connecting groove; At least one row of terminals is arranged on the plastic base body, each terminal is formed by bending a sheet metal surface, and is provided with an elastic arm, a fixing part and a pin, the fixing part is fixed to the plastic base body, and the elastic The arm is provided with a contact point located in the connecting groove, and the pin extends out of the seat body; It is characterized in that: a section of the elastic arm forms the contact point, and when the contact point is squeezed, the elastic arm springs from the direction of the board surface. 2. An electrical connector, characterized in that: comprising: A plastic seat body is provided with a connection groove opening forward, the connection groove can be inserted into a row of cables, and the row of cables is provided with a row of contacts; At least one row of terminals is arranged on the plastic base body, each terminal is formed by bending a sheet metal surface, and is provided with an elastic arm, a fixing part and a pin, the fixing part is fixed to the plastic base body, and the elastic The arm is provided with a contact point located in the connection slot, the contact point is electrically connected to the contact point of the cable, and the contact pin extends out of the plastic seat body; A row of pressing elastic pieces, each pressing elastic piece is provided with an elastic arm, and the elastic arm can be elastically pressed against the cable, and the elastic arms of the row of terminals and a row of elastic arms pressing against the elastic pieces are respectively pressed against the cable The upper and lower sides of the row of terminals and the row of elastic arms against the shrapnel all spring from the direction of the board surface when they are squeezed by the cable. 3. The electrical connector as claimed in claim 1, wherein two side arms are provided on both sides of the plastic seat body, and the two side arms extend toward the opening of the connection groove, and a buckle is provided near the outer end of the two side arms , when a circuit board is inserted into the connection slot for positioning, the buckle can lock one side of the circuit board. 4. The electrical connector as claimed in claim 2, wherein the contact point of the terminal is on the section of the elastic arm of the terminal. 5. The electrical connector as claimed in claim 1 or 4, wherein the contact point of the terminal is at an end section of the spring arm of the terminal. 6. The electrical connector according to claim 1 or 4, wherein the contact point of the terminal is a side where a cross section of an end of the spring arm of the terminal is connected to the board surface. 7 . The electrical connector as claimed in claim 6 , wherein the contact point of the terminal is a natural arc radius formed during punching or a deburred chamfer. 7 . 8 . The electrical connector as claimed in claim 6 , wherein the two sides of the end section of the spring arm where the terminal connects to the contact point are natural arc radii formed during punching or deburring corners. 8 . 9. The electrical connector according to claim 1, wherein the opening of the connecting groove of the plastic base is forward, the at least one row of terminals includes a row of first terminals and a row of second terminals, and the second row The terminal is provided with a protruding contact point, and the first terminal is provided with a protruding contact point and is located above the contact point of the second terminal. 10. The electrical connector as claimed in claim 9, wherein the contact of the first terminal is further behind the contact of the second terminal. 11. The electrical connector according to claim 9, characterized in that: the connecting groove is provided with a card-removing slope, when a circuit board is inserted obliquely into the connecting groove and then pressed down, it can be withdrawn along the card-removing slope. journey. 12. The electrical connector according to claim 1, wherein the elastic arm of the terminal extends toward the opening of the connecting groove and the end section of the elastic arm is folded back away from the opening of the connecting groove, and the folded portion of the elastic arm has no elasticity. 13. The electrical connector according to claim 12, wherein the opening of the connecting groove is forward, the fixing part of the terminal extends forward horizontally, the end section of the elastic arm is folded downward, and the pin is The rear end of the plastic base protrudes. 14. The electrical connector as claimed in claim 2, wherein the opening of the connecting groove is forward, the fixing part of the terminal extends backward horizontally, and the elastic arm is folded back from the fixing part and extends forward. The section is folded upwards, and the pin protrudes toward the front end of the plastic base. 15 . The electrical connector as claimed in claim 1 , wherein the end plate surface of the spring arm of the terminal is pierced and protrudes oppositely to a contact section, and the contact is provided on the end section of the contact section. 16 . 16. The electrical connector according to claim 1, wherein the opening of the connecting slot is forward, the fixing part of the terminal extends backward horizontally, and the elastic arm is provided with a first elastic arm and a second elastic arm. arm, the second elastic arm is connected to the fixing part and extends backward, the first elastic arm is folded forward from the second elastic arm and the end section is folded upward and away from the opening of the connecting groove, the first elastic arm The reflexed part of the arm has no elasticity, and the pin protrudes horizontally toward the front end of the plastic base. 17. The electrical connector as claimed in claim 5, wherein the terminal has a convex portion in the middle of the section of the end of the elastic arm. 18. The electrical connector as claimed in claim 1, wherein the fixing portion of the terminal extends longitudinally. 19. The electrical connector according to claim 18, wherein the plastic seat body is provided with a plurality of rows of terminal slots arranged in a matrix, the terminal slots are provided with opposite first walls and second walls, and the at least one The row of terminals is a plurality of rows of terminals, each terminal is arranged in a terminal groove, the fixing part of the terminal is against the first wall, and the opening of the connection groove faces upward and can place a chip. 20. The electrical connector as claimed in claim 19, wherein the end of the elastic arm of the terminal passes through the second wall and reaches above the terminal groove of the next wall. 21. The electrical connector as claimed in claim 19, wherein the spring arm of the terminal first extends close to the second wall and then reverses so that the end passes through the first wall to above the terminal groove of the next wall. 22. The electrical connector according to claim 19, further comprising an upper cover, an outer seat and a rocker, the plastic seat fits inside the outer seat, and the rear end of the upper cover is pivoted At the rear end of the outer seat, the front end is provided with a horizontal and forward protruding tab, which can press down the chip when the upper cover is closed on the plastic seat body, and the rocker is provided with first rods that are perpendicular to each other And the second rod, the second rod is pivotally connected to the front end of the outer seat and is bent to form a protruding rod. When the first rod swings to the rear end of the plastic seat body, the protruding rod can press the tab of the upper cover. 23. The electrical connector as claimed in claim 1, wherein the at least one row of terminals is two rows, the contacts of the two rows of terminals are arranged front and back and protrude toward the same direction, and the opening of the connecting groove is forward. 24. The electrical connector according to claim 1, characterized in that: the contacts of the at least one row of terminals are arranged in a row, the opening of the connecting groove is forward and can be inserted into a row of cables, and the row of cables is provided with a row of contact. 25. The electrical connector according to claim 24, wherein the fixed part of the terminal extends forward horizontally, the elastic arm extends toward the opening of the connecting groove, and the end section of the elastic arm is folded back away from the opening of the connecting groove , the reflexed part of the elastic arm is not elastic, and the pin protrudes toward the rear end of the plastic base. 26. The electrical connector as claimed in claim 2, wherein a flip cover is provided above the plastic base, the row of pressing springs press the flip cover, the flip cover is provided with a cam, and the flip cover can be The cam is pivoted relative to the plastic base, and the cam can be pressed against or loosened from the cable when the flip cover is pivoted. 27. The electrical connector as claimed in claim 26, wherein the resisting elastic piece is provided with a pivot portion to pivotally connect with the flip cover. 28. The electrical connector according to claim 2, wherein the plastic seat is provided with a sliding piece, the sliding piece can be slidably inserted into the connecting groove, and the row of elastic pieces press against the sliding piece to indirectly Squeeze the flex cable tightly. 29. The electrical connector as claimed in claim 2, wherein each resisting elastic piece is formed by bending a metal sheet and is further provided with a fixing part, and the fixing part is fixed to the plastic seat. 30. The electrical connector according to claim 2, 26 or 28, characterized in that: a metal shell is also provided to cover the plastic seat body, and the row of pressing elastic pieces and the metal shell are integrally stamped and formed by metal of. 31. The electrical connector as claimed in claim 30, wherein a welding plate portion is provided on a side of the metal shell. 32. The electrical connector according to claim 2 or 24, wherein the less row of terminals includes a row of first terminals and a row of second terminals, and the spring arm of the first terminal is inserted into the connecting groove The elastic arm of the second terminal extends away from the insertion opening of the connecting groove, and the contacts of the row of first terminals and the contacts of the row of second terminals are arranged in a staggered manner. 33. The electrical connector according to claim 1, wherein the at least one row of terminals is two rows of terminals, and the two rows of terminals are fixed on both sides of the connecting slot, and the spring arms of the two rows of terminals are connected to the plastic The lower end of the seat extends upwards. 34. The electrical connector according to claim 1 or 2, wherein the plastic seat body is provided with a convex positioning structure, and the fixing portion of the terminal is curved and engaged with the convex positioning structure. 35 . The electrical connector as claimed in claim 34 , wherein the inner bottom surface of the convex positioning structure of the plastic seat is provided with a through hole for the fixing portion of the at least one row of terminals to sink into the through hole. 36 . 36. The electrical connector according to claim 1, 2 or 24, wherein the at least one row of terminals is assembled on the plastic seat body from top to bottom, and the fixing portion of the at least one row of terminals is connected to the plastic seat Body stuck.

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