TWI589072B - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector that can be inserted back and forth.

For related art, please refer to the Chinese Utility Model No. CN204243365, which discloses an electrical connector that can be inserted and reinsed. The electrical connector includes a terminal block and two lower rows of conductive terminals disposed above the terminal block. Each of the conductive terminals includes a contact portion that interfaces with the mating connector. The conductive terminal includes a grounding terminal, and each of the grounding terminal ends is a free end of the contact portion, and the rear end is a soldering leg. The soldering foot is inserted and fixed on the circuit board and is electrically connected to a ground end disposed on the circuit board. The free ends of the contact portions of the ground terminals corresponding to the upper and lower rows are electrically connected to each other such that the ground terminals located in the upper row are electrically connected in parallel with the ground terminals of the corresponding row in the lower row. Referring to the Chinese Utility Model No. CN204243262, an electrical connector that can be inserted and reinsed is disclosed. The electrical connector includes a terminal block and a plurality of conductive terminals disposed on the upper and lower rows of the terminal block, each of the conductive terminals includes a contact portion that interfaces with the mating connector, and the plurality of conductive terminals include a power source The terminals and the differential signal terminals for respectively transmitting and receiving data at a high speed are electrically connected in parallel with the contact portions of the power terminals of the upper row and the power terminals of the corresponding row of the lower row.

However, the contact portion of the terminal is horizontally bent and extended, and the conduction effect is achieved by mechanical contact between the lower surface of the contact portion of the upper terminal and the upper surface of the contact portion of the lower terminal. This method cannot be contacted in an actual process. The effect of the stable continuous connection is achieved, and after multiple insertions and removals, the contact portions of the upper and lower rows of terminals are easily separated, so that the two terminals of the electrical connection are disconnected.

Therefore, in view of the above problems, it is necessary to provide an electronic card connector and a combination thereof which further reduce scratching to solve the above problems.

It is a primary object of the present invention to provide an electrical connector that enhances high frequency performance.

In order to solve the above problems, the present invention provides an electrical connector including an insulative housing, a first signal terminal and a second signal terminal held in the insulating body, a reinforcing member supported in the insulating body, and a shielding shell sleeved on the outside. One of the first signal terminal and the second signal terminal is a ground terminal, a front end of the ground terminal of the first signal terminal is provided with a first head, and a front end of the ground terminal of the second signal terminal is provided with A first end portion corresponding to the upper and lower sides of the first head, the first head portion and the first end portion being electrically connected by being in contact with the reinforcing member.

Further, a first head portion of the ground terminal of the first signal terminal is formed by bending downwardly, and a first end portion of the ground terminal of the second signal terminal is bent and extended upwardly, and the front end of the reinforcing member is formed There are a plurality of yielding holes, and the opposing faces of the first head and the first end are bonded in the retaining holes to form an electrical conductive connection.

Further, some of the first signal terminal and the second signal terminal are power supply terminals, a front end of the power terminal of the first signal terminal is provided with a second head, and a front end of the power terminal of the second signal terminal is provided A second end portion that forms an electrical connection corresponding to the second head portion.

Further, a head of the power terminal of the first signal terminal is bent downward and extends horizontally, and an end of the power terminal of the second signal terminal is formed by bending upwardly, and the head is abutted at the end. The upper end of the portion forms an electrical junction.

Further, the insulative housing includes a first insulative housing and a second insulative housing that are snap-fitted to each other, the first insulative housing has a first tongue extending forwardly, and the second insulative housing has a first tongue The second signal terminal is disposed on the first tongue plate surface, and the second signal terminal is received on the lower surface of the second tongue plate.

Further, the first head exposes a lower surface of the first tongue, the second head exposes a front end of the first tongue, and the first end and the second end expose a surface of the second tongue .

Further, the first signal terminal has a first contact portion buried on a surface of the first tongue, and the second signal terminal has a second contact portion buried on a lower surface of the second tongue, the first head The first end and the first end are lower than the first contact, and the second and second ends are lower than the second contact.

Further, the shielding shell is provided with a top wall, and the top wall is provided with a downwardly protruding convex hull, and the convex hull is in interference with the outer shell of the mating connector when connected with the mating connector having the outer casing .

Further, the first signal terminal has a first soldering portion, and the second signal terminal has a second soldering portion, and the first soldering portion and the second soldering portion are disposed in a dislocation position of the upper and lower rows and expose the shielding shell.

Further, the first contact portion of the first signal terminal and the second contact portion of the second signal terminal are vertically disposed correspondingly to enable the electrical connector to be forward and reverse inserted.

In contrast to the prior art, the present invention has at least the following advantageous effects: the electrical connector of the present invention abuts the head and the end by contacting the head and the end of the ground terminal of the conductive terminal with the reinforcing member. With such a setting, the signal transmission quality can be improved, and it is better suited for high-speed signal transmission and enhanced high-frequency performance, and the process is convenient and the structure is simple.

100‧‧‧Electrical connector

1‧‧‧Insulating body

11‧‧‧First Insulation Body

110‧‧‧Importing slot

111‧‧‧First base

112‧‧‧First tongue

113‧‧‧ Groove

114‧‧‧Abutment slot

115‧‧‧Connecting Department

12‧‧‧Second insulation body

120‧‧‧Introduction hole

121‧‧‧Second base

122‧‧‧second tongue

123‧‧‧Protruding

13‧‧‧ Third Insulation Body

131‧‧‧ Third base

132‧‧‧ Third tongue

133‧‧‧镂空部

134‧‧‧ card slot

2‧‧‧Electrical terminals

21‧‧‧First signal terminal

211‧‧‧ first contact

212‧‧‧First Holding Department

213‧‧‧First Welding Department

22‧‧‧second signal terminal

221‧‧‧Second contact

222‧‧‧Second holding unit

223‧‧‧Second welding department

23‧‧‧First grounding terminal

231‧‧‧ first head

24‧‧‧First power terminal

241‧‧‧ second head

25‧‧‧Second ground terminal

251‧‧‧ first end

26‧‧‧Second power terminal

261‧‧‧second end

3‧‧‧Strength

30‧‧‧Replacement hole

31‧‧‧Support

32‧‧‧ Fixed Department

33‧‧‧ Flat section

4‧‧‧ Sealing Department

5‧‧‧Shaded housing

50‧‧‧ convex hull

51‧‧‧ top wall

52‧‧‧ bottom wall

53‧‧‧ side wall

54‧‧‧ Back wall

6‧‧‧Metal casing

61‧‧‧ motherboard

62‧‧‧Baffle

63‧‧‧holding feet

The first figure is a perspective assembled view of the electrical connector of the present invention.

The second figure is a three-dimensional combination view of the first figure seen from another direction.

The third figure is a perspective view of the electrical connector of the present invention with the shielding housing and the metal housing removed.

The fourth figure is a three-dimensional diagram of the third figure seen from another direction.

Figure 5 is a perspective view of the insulative housing, conductive terminals and stiffeners of the electrical connector of the present invention.

Figure 6 is a perspective view showing the insulative housing, the conductive terminals and the reinforcing members of the electrical connector of the present invention taken out of the third insulative housing.

Figure 7 is an exploded perspective view of the insulative housing, conductive terminals and stiffeners of the electrical connector of the present invention.

The eighth figure is a three-dimensional exploded view of the seventh figure viewed from another direction.

Figure 9 is a perspective exploded view of the conductive terminals of the electrical connector of the present invention.

Figure 11 is a cross-sectional view of the electrical connector of the present invention taken along line X-X of the first figure.

Figure 11 is a cross-sectional view of the electrical connector of the present invention taken along line XI-XI of the first figure.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A specific embodiment of the electrical connector 100 of the present invention will be described in detail below with reference to the first to eleventh drawings. For convenience of description, the 插 defined by the electrical connector 100 and the mating connector is defined as a plug end. The docking direction, the transverse direction, and the vertical direction perpendicular to the mating direction and the transverse direction are defined, and the mating direction and the plane of the transverse direction form a horizontal plane.

The electrical connector 100 of the present invention includes an insulative housing 1 , a conductive terminal 2 held in the insulative housing 1 , a reinforcing member 3 mounted in the insulative housing 1 , and an insulative housing 1 . The sealing portion 4 at the rear end, the shielding case 5 covering the outside of the insulative housing 1, and the metal casing 6 attached to the shielding case 5.

Referring to the third to eighth embodiments, the insulative housing 1 includes an integrally formed first insulative housing 11 , a second insulative housing 12 , and a third insulative housing 13 . The first insulative housing 11 includes a first base 111 and a first tongue 112 extending forward from the first base 111. A pair of recesses 113 are defined on two sides of the first base 111 and a lead-in slot 110 is dug in a middle portion of the second insulative housing 12 . The upper surface of the first base 111 is further provided with a pair of abutting grooves 114 on both sides of the introduction groove 110. The first tongue 112 is provided with a connecting portion 115 near the first base. The second insulative housing 12 includes a second base 121 and a second tongue 122 extending forward from the second base 121. A pair of protrusions 123 that are engaged with the pair of recesses 113 extend upward from the outer side of the rear end of the second base 121. The rear end of the second base 121 is further provided with an introduction hole 120 penetrating through the introduction groove 110. The third insulative housing 13 includes a third base 131 and a third tongue 132 extending forward from the third base 131. The third tongue plate 132 has a hollow portion 133 for accommodating the first tongue plate 112 and the second tongue plate 122 and a holding groove 134 at both sides. The third base 131 of the third insulative housing 13 is flush with the slot position of the introduction slot 110 of the first base 111 in the vertical direction.

Referring to FIG. 9 , the conductive terminal 2 includes a first signal terminal 21 held on the first insulative housing 11 and a second signal terminal 22 held on the second insulative housing 12 . The first signal terminal 21 includes a first contact portion 211 exposing an upper surface of the first tongue 112 , a first holding portion 212 received in the connecting portion 115 , and a first solder portion 213 extending outside the insulating body 1 . The second signal terminal 22 includes a second contact portion 221 exposing a lower surface of the second tongue 122, a second holding portion 222, and a second solder portion 223 extending outside the insulating body 1. Referring to the second figure, the first welded portion 213 and the second welded portion 223 are disposed in two rows of upper and lower portions, which facilitates the observation of the first welded portion 213 and the second welded portion 223 during installation.

The first signal terminal 21 and the second signal terminal 22 are symmetrically distributed along the central axis extending forward and backward, and respectively include four forwardly protruding power terminals and eight post-position signal terminals. The signal terminals at the later eight positions include four high-speed differential signal terminals on both sides of the column, two low-speed differential signal terminals at the center, and two control terminals on both sides of the pair of differential signal terminals. The power terminal includes two first ground terminals 23 for grounding at the outermost side of the first signal terminal 21 and two second ground terminals 25 for grounding at the outermost side of the second signal terminal 22 And two first power terminals 24 located in the middle of the first signal terminal 21 for supplying power and two second power terminals 26 in the middle of the second signal terminal 22 for supplying power.

The first ground terminal 23 of the first signal terminal 21 has a first head portion 231 extending downwardly, and the first head portion 231 is exposed on a lower surface of the first tongue plate 112. The first power terminal 24 of the first signal terminal 21 has a second head portion 241 extending downward and horizontally bent, and the second head portion 241 is exposed at the front end of the first tongue 112. The second ground terminal 25 of the second signal terminal 22 has a first end portion 251 that extends upwardly. The second power terminal 26 of the second signal terminal 22 has a second end portion 261 that extends upwardly. The first end portion 251 and the second end portion 261 expose the upper surface of the second tongue 122. Referring to the sixth figure and the first figure 0, the second head portion 241 abuts against the upper end of the second end portion 261 to form a stable electrical conduction. Referring to the sixth figure and the first FIG. 1, the first head portion 231 and the first end portion 251 are attached to each other to form a stable electrical connection. In other embodiments, the first head portion 231 and the first end portion 251 may be disposed in a structure and a contact manner of the second head portion 241 and the second end portion 261, and the second head portion 241 and the second end portion 261 The structure and contact manner of the first head portion 231 and the first end portion 251 may also be provided. The first head portion 231 and the second head portion 241 of the first signal terminal 21 are both lower than the first contact portion 211, and the first end portion 251 and the second end portion 261 of the second signal terminal 22 are both Higher than the second contact portion 221.

The first contact portion 211 of the first signal terminal 21 and the second contact portion 221 of the second signal terminal 22 are vertically disposed, and the first soldering portion 213 and the second signal terminal 22 of the first signal terminal 21 are The two soldering portions 223 are respectively located in the same plane. Thereby, the electrical connection of the first contact portion 211 and the second contact portion 221 of the electrical connector 100 to the corresponding contact portion of the mating connector is ensured correctly and in alignment, regardless of whether the mating connector is inserted in the forward or reverse direction.

Referring to the seventh and eighth figures, the reinforcing member 3 includes a supporting portion 31 held between the first tongue 112 of the first insulative housing 11 and the second tongue 122 of the second insulative housing 12, The fixing portion 32 extending obliquely upward from the rear end edge of the support portion 31 and the rear end edge of the self-fixing portion 32 are horizontally extended Flat plate portion 33. Each of the two sides of the front end of the support portion 31 is provided with a retaining hole 30, so that the opposite faces of the first head portion 231 and the first end portion 251 are brought into contact with each other in the retaining hole 30. The inclination directions of the fixing portion 32, the first holding portion 212, and the connecting portion 115 are the same.

Referring to the first to fourth figures, the shielding case 5 includes a top wall 51 and a bottom wall 52 which are disposed opposite to each other, a pair of side walls 53 connecting the top wall 51 and the bottom wall 52, and a rear end 53 And a rear wall 54 spaced apart from the bottom wall 52. A plurality of convex hulls 50 are recessed downwardly on the top wall 51. When connected to the docking connector, the convex hull 50 can abut against the outer casing of the mating connector to form a stable holding.

The metal casing 6 includes a curved main plate 61, a baffle 62 bent downward from the rear end edge of the main plate 61, and holding legs 63 on both sides. The baffle 62 is shielded behind the sealing portion 4.

It should be noted that the electrical connector 100 of the present invention causes the first head 231 and the first end by contacting the first head portion 231 of the conductive terminal 2 with the first end portion 251 and the reinforcing member 3. The portion 251 is abutted, and thus, the signal transmission quality can be improved, and is preferably applied to high-speed signal transmission and enhanced high-frequency performance.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited thereto. Equivalent modifications or variations made by those skilled in the art in the spirit of the present invention are still included in the scope of the appended claims.

100‧‧‧Electrical connector

231‧‧‧ first head

251‧‧‧ first end

30‧‧‧Replacement hole

Claims (9)

An electrical connector includes an insulative housing, a first signal terminal and a second signal terminal held in the insulating body, a reinforcing member supported in the insulating body, and a shielding housing sleeved on the outside, the first signal terminal and One of the second signal terminals is a ground terminal, wherein a front end of the ground terminal of the first signal terminal is provided with a first head, and a front end of the ground terminal of the second signal terminal is provided with a top and bottom corresponding to the first head a first end portion, the first head portion and the first end portion are electrically connected by being in contact with the reinforcing member, and the first head portion of the grounding terminal of the first signal terminal is formed by bending downwardly, a first end portion of the grounding terminal of the second signal terminal is formed by bending upwardly, and a front end of the reinforcing member is provided with a plurality of retaining holes, and the opposite surface of the first head portion and the first end portion The bit holes are bonded in the butting direction to form an electrical conductive connection and are wrapped by the insulating body. The electrical connector of claim 1, wherein a plurality of the first signal terminal and the second signal terminal are power terminals, and a front end of the power terminal of the first signal terminal is provided with a second head. The front end of the power terminal of the second signal terminal is provided with a second end portion that is electrically connected to the second head. The electrical connector of claim 2, wherein the second head of the power terminal of the first signal terminal is bent downward and extends horizontally, and the second terminal of the second signal terminal is The end portion is formed by bending upwardly, and the second end portion abuts against a horizontally extending portion of the second head portion to form an electrical conduction. The electrical connector of claim 2, wherein the insulative housing comprises a first insulative housing and a second insulative housing that are snap-fitted to each other, the first insulative housing having a first tongue extending forwardly, The second insulative housing has a second tongue plate disposed on the first tongue plate. The first signal terminal is received on the first tongue plate surface, and the second signal terminal is received on the lower surface of the second tongue plate. The electrical connector of claim 4, wherein the first head exposes a lower surface of the first tongue, the second head exposes a front end of the first tongue, the first end and The second end exposes the surface of the second tongue. The electrical connector of claim 4, wherein the first signal terminal has a first contact portion buried on a surface of the first tongue, and the second signal terminal has a lower surface buried on the second tongue plate a second contact portion, the first head portion and the first end portion being lower than the first contact portion, and the second head portion and the second end portion being lower than the second contact portion. The electrical connector of claim 1, wherein the shielding housing is provided with a top wall, and the top wall is provided with a downwardly protruding convex hull, when connected with the mating connector having the outer casing, The convex hull is in interference contact with the outer casing of the mating connector. The electrical connector of claim 1, wherein the first signal terminal has a first soldering portion, the second signal terminal has a second soldering portion, the first soldering portion and the second soldering portion The upper and lower rows are misaligned and the shielding housing is exposed. The electrical connector of claim 1, wherein the first contact portion of the first signal terminal and the second contact portion of the second signal terminal are vertically disposed correspondingly to enable the electrical connector to be forward and reverse inserted.