Electrical connector with improved terminals

1 . An electrical connector comprising:

an insulative housing; and

a plurality of first terminals disposed in the insulative housing, each of the first terminals comprising a main part retained in the housing and an upper elastic arm extending obliquely and upwardly from the main part, the upper elastic arm having an upper-arc contacting portion and an upper end bending downward from the upper-arc contacting portion;

wherein the upper end defines a first contacting face, the main part defines a second contacting face confronting with the first contacting face, at least one of the first contacting face and the second contacting face is of an inclined face to guide the upper end of the upper elastic arm to contact with the main part, and the first and second contacting faces contact with each other when the upper elastic arm moves toward the main part; and

wherein the first terminal comprises a lower elastic arm extending obliquely and downwardly from the main part with a lower-arc contacting portion and a lower end bending upward from lower-arc contacting portion, the lower end defines a third inclined face, the main part defines a second recess passing through the lower face thereof, and the second recess defines a fourth inclined face confronting with and parallel to the third inclined face.

2 . The electrical connector as claimed in claim 1 , wherein the main part defines an upper face, a lower face opposite to the upper face, a first upright face, and a second upright face opposite to the first upright face, the first or the second upright face is larger than that of the upper face or the lower face in dimension, and the upper elastic arm extends from one end of the upper face.

3 . The electrical connector as claimed in claim 1 , wherein the first terminals are grounding terminals arranged in a row and connected with each other to form an integral shielding member, the insulative housing defines a groove through an upper surface and a lower surface thereof, and the integral shielding member is received and retained in the groove.

4 . The electrical connector as claimed in claim 3 , wherein the insulative housing defines plural pairs of ribs at the upper surface thereof and at opposite sides of the grooves, and the upper ends of the plurality of upper elastic arms are limited between the plural pairs of ribs.

5 . The electrical connector as claimed in claim 1 , wherein the upper end defines a first inclined face, the main part defines a first recess through the upper face and a second inclined face, the first contacting face includes the first inclined face, and the second contacting face includes the second inclined face.

6 . The electrical connector as claimed in claim 5 , wherein the first recess extends through the first upright face, and the second inclined face deviates from the second upright face.

7 . The electrical connector as claimed in claim 6 , wherein the upper elastic arm defines a first upright face in a same plane with the first upright face and a second upright face in a same plane with the second upright face, and the first inclined face deviates from the first upright face of the upper elastic arm.

8 . The electrical connector as claimed in claim 7 , wherein the first inclined face and the second inclined face are parallel to each other.

9 . The electrical connector as claimed in claim 1 , wherein the upper end of the upper elastic arm bends downward vertically from the upper-arc contacting portion.

10 . An electrical connector comprising:

an insulative housing;

signal terminals disposed in the insulative housing; and

grounding terminals disposed in the insulative housing and located proximate to corresponding signal terminals, the grounding terminal comprising a main part extending in an upright direction and a transverse direction and an upper elastic arm extending obliquely and upwardly from an upper face of the main part, the upper elastic arm defining an upper-arc contacting portion and an upper end bending from the upper-arc contacting portion;

wherein the main part defines a first recess going through the upper face, and the upper end of the upper elastic arm is operable to move downward to enter the first recess.

11 . The electrical connector as claimed in claim 10 , wherein the upper end of the upper elastic arm defines a first inclined face, the first recess defines a second inclined face, and the first inclined face contacts with the second inclined face when the upper elastic arm moves downwards.

12 . The electrical connector as claimed in claim 11 , wherein the first inclined face confronts with the second inclined face.

13 . The electrical connector as claimed in claim 11 , wherein the main part defines opposite first upright face and second upright face connecting between the upper face and a lower face of the main part, and the first recess goes through the first upright face.

14 . The electrical connector as claimed in claim 10 , further comprising a lower elastic arm extends obliquely and upwardly from a lower face of the main part, and wherein the lower elastic arm defines a lower-arc contacting portion and a lower end bending from the lower-arc contacting portion.

15 . The electrical connector as claimed in claim 14 , wherein the main part defines a second recess with a fourth inclined face, and the lower end moves into the second recess along the fourth inclined face.

16 . The electrical connector as claimed in claim 15 , wherein the second recess is located at a diagonal of the first recess.

17 . The electrical connector as claimed in claim 10 , wherein the grounding terminals are arranged in a row in the transverse direction and connected with each other by the main parts, the row of grounding terminals are in a same plane, and the signal terminal comprises a main part extending in the upright direction and a lateral direction perpendicular to the transverse direction.

18 . An electrical connector comprising:

an insulative housing; and

a plurality of first terminals disposed in the insulative housing, each of the first terminal comprising a main part retained in the housing and an upper elastic arm and a lower elastic arm;

wherein the main part defines a first recess opening upwards and a second recess opening downward, and a distal end of the upper elastic arm moves into the first recess when the upper elastic arm moves downwards and a distal end of the lower elastic arm moves into the second recess when the lower elastic arm moves in the second recess.

19 . The electrical connector as claimed in claim 18 , wherein the first recess and the second recess are located at a diagonal line of the main part.

20 . An electrical connector comprising:

an insulative housing; and

a plurality of first terminals disposed in the insulative housing, each of the first terminals comprising a main part retained in the housing and an upper elastic arm extending obliquely and upwardly from the main part, the upper elastic arm having an upper-arc contacting portion and an upper end bending downward from the upper-arc contacting portion;

wherein the upper end defines a first contacting face, the main part defines a second contacting face confronting with the first contacting face, at least one of the first contacting face and the second contacting face is of an inclined face to guide the upper end of the upper elastic arm to contact with the main part, and the first and second contacting faces contact with each other when the upper elastic arm moves toward the main part;

wherein the main part defines an upper face, a lower face opposite to the upper face, a first upright face, and a second upright face opposite to the first upright face, the first or the second upright face is larger than that of the upper face or the lower face in dimension, and the upper elastic arm extends from one end of the upper face; and

wherein the first terminals are grounding terminals arranged in a row and connected with each other to form an integral shielding member, the insulative housing defines a groove through an upper surface and a lower surface thereof, and the integral shielding member is received and retained in the groove.